Press and hold the and Volume Down buttons simultaneously (boot key combinations can vary slightly by manufacturer).
You must have the Spreadtrum USB Drivers installed on your computer so it recognizes the U2S Diag port. sprd u2s diag reset tool
Press and hold the and Volume Down buttons simultaneously (boot key combinations can vary slightly by manufacturer).
You must have the Spreadtrum USB Drivers installed on your computer so it recognizes the U2S Diag port.